Home / 238,928.96-329,704.95-142,127.48

Finding the Fourth Proportional to 238,928.96, 329,704.95 and 142,127.48

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Solution

The fourth proportional to 238,928.96, 329,704.95 and 142,127.48 is: 196,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,928.96 : 329,704.95 = 142,127.48 : x
  2. Step 2: Convert to fraction form
    238,928.96/329,704.95 = 142,127.48/x
  3. Step 3: Cross multiply
    238,928.96x = 329,704.95 × 142,127.48
  4. Step 4: Simplify right side
    238,928.96x = 46,860,133,687.03
  5. Step 5: Solve for x
    x = 46,860,133,687.03/238,928.96
  6. Step 6: Final answer
    x = 196,125.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.